Copy the development version of README.md to the master branch

[d2fong]

1. branch off of master
2. copy the raw text in https://raw.githubusercontent.com/PathwayCommons/app-ui/development/README.md
3. paste it into the master version of README.md
4. submit a pull request to master

[d2fong]

@CaitlinOCallaghan I am assigning this to you.